For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningWhat Will You See after an Airbag Inflates?
After the frontal airbags and seat-mounted side impact airbags inflate, they
quickly deflate, so quickly that some people may not even realize an airbag inflated.
Roof-rail airbags may still be at least partially inflated for some time after
they inflate. Some components of the airbag module ma ...
Front Side Door Wiring Harness Replacement
Preliminary Procedure
Remove the front side door inner panel trim. Refer to Front Side Door Trim
Replacement.
Front Side Door Wiring Harness
Warning: Unless directed otherwise, the ignition and start switch must be
in the OFF or LOCK position, and all electrical
loads must be OFF before ...
Front Bumper Energy Absorber Bracket Replacement
Preliminary Procedure
Remove the front bumper fascia opening cover. Refer to Front Bumper Fascia
Opening Lower Cover Replacement
Drivetrain and Front Suspension Frame Bolt Front
Caution: Refer to Fastener Caution in the Preface section.
Tighten
160 N·m (119 lb ft)
Note: Do NOT reu ...